Flake Silver-Coated Copper Powder for EMI Shielding

Product Description

Product Description

Flake silver-coated copper powder is a unique type of powder consisting of copper particles that are coated with a layer of silver. This coating process provides the powder with enhanced properties and versatile applications.

The flake shape of the powder particles gives it a distinctive appearance and contributes to its desirable properties. The silver coating on the copper particles adds conductivity, corrosion resistance, and improved thermal properties to the powder. This combination of copper and silver makes it suitable for various applications that require excellent electrical conductivity and thermal performance.

Flake silver-coated copper powder finds wide application in industries such as electronics, automotive, aerospace, and renewable energy. It is commonly used in conductive coatings, printed circuit boards (PCBs), electromagnetic shielding, and as an additive in various electrical and electronic devices. The high conductivity and thermal properties of the powder make it valuable in improving the performance and reliability of electronic components and systems.

Furthermore, the flake silver-coated copper powder offers excellent solderability, allowing it to be easily integrated into soldering processes for efficient and reliable connections.

Overall, the flake silver-coated copper powder combines the conductivity of copper and the benefits of silver coating, making it a valuable material in various advanced applications that require electrical conductivity, thermal management, and corrosion resistance.

Fetures

1. Enhanced conductivity: The silver coating on the copper particles significantly improves the electrical conductivity of the powder. It allows for efficient transfer of electrical current, making it ideal for applications that require high conductivity.

2. Improved thermal properties: The silver coating also enhances the thermal conductivity of the copper powder, enabling efficient heat dissipation. This feature makes it suitable for applications that involve heat management or thermal conductivity requirements.

3. Corrosion resistance: The silver coating provides a protective layer that helps prevent corrosion of the underlying copper particles. This feature enhances the powder's durability and ensures long-term performance in challenging environments.

4. Solderability: The flake silver-coated copper powder exhibits excellent solderability, making it easily integrable into soldering processes. This feature enables reliable and efficient connections in electronic assembly and soldering applications.

5. Versatility: The powder's unique flake shape and combination of copper and silver properties make it versatile for various applications. It can be used as a conductive additive in coatings, inks, and adhesives, or as a component in printed circuit boards, electromagnetic shielding, and other electronic devices.

6. Compatibility: Flake silver-coated copper powder is compatible with different substrates and materials commonly used in electronic and electrical applications. It can be easily incorporated into existing manufacturing processes and formulations.

7. Particle size control: The powder is available in different particle sizes, allowing for customization and optimization based on specific application requirements.

Applications

1. Conductive coatings
The powder is used as a conductive additive in coatings and paints, especially those requiring high electrical conductivity. It helps improve the conductivity of the coating, making it suitable for applications such as printed electronics, electromagnetic shielding, and antistatic coatings.

2. Printed circuit boards (PCBs)
Flake silver-coated copper powder is used in the production of PCBs to enhance the conductivity of circuit traces and pads. It allows for reliable electrical connections and efficient signal transmission in electronic devices.

3. Electronic adhesives
The powder is incorporated into conductive adhesives and bonding materials to improve their electrical conductivity. It ensures strong and reliable bonds in electronic component assembly and bonding applications.

4. Electrical contacts
Flake silver-coated copper powder is utilized in the manufacturing of electrical contacts, connectors, and switches. It enables excellent electrical conductivity and helps maintain reliable contact and low resistance over time.

5. Thermal management
Due to its enhanced thermal conductivity, the powder is used in thermal interface materials and heat dissipation applications. It aids in efficient heat transfer, enabling effective cooling of electronic components and systems.

6. Additive manufacturing
The powder can be utilized in additive manufacturing processes, such as 3D printing, to create conductive structures and components. It enables the production of intricate conductive patterns and functional parts with high conductivity.

7. EMI/RFI shielding
Flake silver-coated copper powder is employed in electromagnetic interference (EMI) and radiofrequency interference (RFI) shielding applications. It helps create conductive coatings or materials that block or redirect electromagnetic waves, reducing interference and ensuring signal integrity.

Specifications

  

Grade	Morphology	Silver content (wt %)	Particle size distribution (um )			Apparent  density  (g/cm3)	Tap density (g/cm3)	Moisture (%)	Total oxygen  content (wt %)
			D10	D50	D90
PAC-1	Flake	10~30	≥1.2	3.0~3.5	≤6.5	2.0~2.5	3.2~3.6	≤0.2	≤0.2
PAC-2	Flake	10~30	≥2.6	6.5~7.0	≤15.0	2.6~2.9	4.4~4.6	≤0.2	≤0.2
Li-0103	Flake	3	5.5~7.8	26.3~30.5	48.5~51.7	1.25~1.35	2.2~2.44
Li-0105	Flake	5	5.5~7.8	26.3~30.5	48.5~51.7	1.25~1.35	2.2~2.44
Li-0110	Flake	10	5.5~7.8	26.3~30.5	48.5~51.7	1.08~1.2	2.1~2.34

 

Storage & Package

Storage: Store in a cool, dry, ventilated place.

Package: 1kg /bag, 25kg/drum or as per your particular request.

Beijing Entrepreneur Science & Trading Co., Ltd. was established in the year 2001. We are focused on import and export business of high-quality specialty chemicals. Since its establishment, relying on diligent efforts, spirit of enterprising and professional services, the company has established extensive cooperation with world-famous chemical manufacturers and gained a good reputation in China chemical industry.

We have stable distribution cooperation with world leading suppliers from America, Europe, Japan and Taiwan. We are distributors of Ames Advantage Material, Novamet, Lanxess, Momentive, Potters, Rhodia, Roquette, Oerlikon Metco, Inovyn, KJ Chemical, Tokuyama, Mitsubishi Chemical, Chang Chun Group, etc.
 
Our products selling in China include Conductive Powder, Thermal Conductive Powder, Microwave Absorbing Powder, Acrylamide Functional Monomer and Special UV Monomer, Special Epoxy Resin, Mercaptan Curing Agent, Silane, Fumed Silica and Precipitated Silica, PVC Paste Resin, PVA, Carbon Black, Modified Starch, Photocatalyst, Formaldehyde Capture agent, Root Blocking Agent, Platinum Catalyst, Vinyl Silicone Oil, Surfactant, etc.

In 2014, the company entered the chemical export business. Based on our understanding of China chemical market, we select most qualified suppliers. We are able to source raw materials directly from factories. Most of our partners are the largest factory in China with over 20 years history. They have huge annual outputs, and hold ISO9001, ISO14001, GMP, KOSHER, HALAL, FDA, GSP, etc. certificates.
 
Our export products include Conductive Powder, Thermal Conductive Powder, Plant Extract, Inorganic Powder, Plasticizer, PVC Paste Resin, Silane, Flavors and Fragrances, Salen Catalysts and Ligands, Organic Intermediates, Pharmaceutical Intermediates. 
We are proud to serve industries such as coating, ink, sealant, industrial, cosmetics, conductive powder, thermal conductive powder, pharmaceutical, flavor & fragrance, aroma, as well as many others. 
 
We will support our customers in a continuous way in the following:
1. Timely feedback to inquiry within 24 hours
2. Pre-sales consultancy 
3. Supply samples 
4. Competitive price
5. Good packaging
6. Timely delivery
7. Small order is available
8. Good after sales services
9. Provide TDS, COA, commercial invoice, packing list and certificate of origin. Special requirements also could be discussed and met. 
Can I request samples?
Yes, absolutely! We offer free samples of specified quantities. You only need to cover the freight charges.
Which documents are provided?
We provide essential documents such as Certificate of Analysis (COA), Technical Data Sheet (TDS), Material Safety Data Sheet (MSDS), and more upon request.
What is your Minimum Order Quantity (MOQ)?
Typically, our MOQ is one standard package. However, we understand the importance of testing before committing to a mass order, so we offer free samples for your evaluation.
How do you ensure the quality of your products?
We prioritize quality assurance through several measures:
1. Expert Staff: Our team comprises professionals with extensive experience in chemical products or related fields. They undergo comprehensive training before providing any quotations.
2. Sample Availability: We offer free samples or pre-shipment samples for new collaborations, ensuring that our commercial products match the specifications provided to customers.
3. Third-Party Inspection: Upon request, we can arrange Third-Party Inspections, such as SGS, to further validate the quality of our products before shipping.
How do I make payments?
Once you receive the Proforma Invoice (PI) along with our product specifications, you can proceed with payment. We accept various payment methods including Telegraphic Transfer (T/T), Letter of Credit (LC), and more.
What is your after-sales service like?
At Beijing Entrepreneur Science & Trading Co., Ltd., we prioritize fostering long-term relationships with all our customers. For every order, we ensure transparency and commitment by signing a legally binding sales contract. Should you have any doubts or concerns regarding our products or services, please do not hesitate to contact us. Your satisfaction and trust are our top priorities.
Can I use my own label or packaging?
Absolutely. If required, we can use labels or packaging according to your specifications and preferences. Your branding and packaging needs are important to us, and we'll ensure they are met to your satisfaction.